# IQ Brain Game Smart Challenge vs StackTropolis

The clearest difference is in-app purchases: StackTropolis at none against IQ Brain Game Smart Challenge's 4. IQ Brain Game Smart Challenge's advantage is device support. On price and iOS requirement there is nothing between them.

Both are free to download. IQ Brain Game Smart Challenge sells 4 one-off in-app purchases. StackTropolis asks for nothing beyond the download.

## The numbers

| Metric | IQ Brain Game Smart Challenge | StackTropolis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/iq-brain-game-smart-challenge/id1630328359/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | — |
| Update frequency | Fortnightly | — |
| Monetization | Free with in-app purchases | — |
| Size | 239 MB | 48 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Pocket School - Basic education to learn for adults & kids](https://appshunter.io/developer/1122988377) | [Aadhi Pixels Ltd](https://appshunter.io/developer/1725196952) |

## What reviewers say

### IQ Brain Game Smart Challenge

[App page](https://appshunter.io/ios/app/iq-brain-game-smart-challenge/id1630328359)

Engage in a series of challenging brain teasers and logic puzzles designed to test your intelligence and problem-solving skills. This game offers a fun way to improve memory, focus, and creativity through various riddles and quizzes.

**Highlights:** Tricky brain teasers, Logic test puzzles, Improve memory and focus, Riddles and quizzes, Think outside the box challenges, DOP (Draw One Part) puzzles

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 Tips | $0.99 | one-time |
| 20 Tips | $1.99 | one-time |
| 40 Tips | $2.99 | one-time |
| Remove ads | $3.49 | one-time |


### StackTropolis

[App page](https://appshunter.io/ios/app/stacktropolis/id6476424477)

**In-app purchases:** none


## Frequently asked questions

### Is IQ Brain Game Smart Challenge free?

IQ Brain Game Smart Challenge is free to download, with in-app purchases available.

### Is StackTropolis free?

StackTropolis is free to download, with no in-app purchases.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*